Railway track location estimation using onboard inertial sensors

In railways, using a track- and ride-quality monitoring system on in-service train has become desirable for coordination security. Identification of the or train-related rough rides via crew can be estimated to nearest kilometre. However, if is equipped with better location track quality evaluation provided. These systems commonly use information such as GNSS and/or an odometer provide information. This work proposes practical method alignment estimation real data from in-cab inertial measurement also novel based crosslevel variations. The speed done through speed-related harmonics detected sensors, which depend characteristics; distance correction provided by comparing derived sensors reference geometry. effectiveness accuracy demonstrated collected between London Ashford.